571-581 Series Normally Open Terminated
SMA, GPO
C M A
Commercial
Military
Avionics
S
Space
RF Characteristics
Frequency
GHz
DC-4
4-8
8-12.4
12.4-18
*18-22
*22-26
VSWR
(max)
1.20
1.30
1.40
1.50
1.60
1.70
Isolation
dB (min)
80
75
70
60
60
55
Ins. Loss
dB (max)
0.20
0.30
0.40
0.50
0.60
0.70
581 Normally Open, SMA
Note: RF Power for the terminated port is limited by the termination.
* “K” option only
Mechanical
Specifications
Operating Voltage:
(across temperature range)
12 Vdc (11-14 Vdc)
28 Vdc (24-32 Vdc)
Coil Current (max @ nom.Vdc & 20°C):
12 Vdc 550 mA
28 Vdc 240 mA
Switching Time:
15 mS maximum
Operating Temperature:
-25ºC to +65ºC (Standard)
-55ºC to +85ºC (Extended “T” Option)
Mechanical Life, Cycles:
1,000,000 minimum
Vibration, Operating:
10 G RMS, 20-2000 Hz
Mechanical Shock, Non-Operating:
50 G, 1/2 Sine, 11 mS
Nominal Weight:
16.5 oz., (470g.)
581-530823 Shown
Part Number Selection
571
J
5
2
08
03
A
For Electrical Schematic
see page # 3-9
Family
Special Options
Actuator
Coil Voltage
Connectors
Indicators/
Terminations
Circuit Options
571
= SP7T
581
= SP8T
J
= 9 or 26* Pin 'D' Connector
P
= Power Plug
R
= (-) Com
S
= Epoxy Seal
T
= -55º to +85º C
* 26-Pin 'D' Connector is 3 row high density
2
= Failsafe, Position 1
5
= Normally Open
6
= Failsafe, Position 1
Suppression Diodes
(Com +)
9
= Normally Open
Suppression Diodes
(Com +)
3-6
2
= 12Vdc
3
= 28Vdc
8
= 24Vdc
9
= 15Vdc
06
= GPO Male
08
= SMA Female
03
= No Indicators
2W Terminations
08
= No Indicators
SMA Female
23
= SPST Indicators
2W Terminations
28
= SPST Indicators
SMA Female
A
= TTL High
N
= CANBus
T
= Ethernet
ISO 9001 Certified
www.dowkey.com
MP Normally Open Series Electrical Schematics
1
Normally Open
Terminals not Polarity Sensitive
2
Normally Open TTL
TTL Inputs
Optional Indicators
Optional Indicators
Logic Low (off) = 0 - 0.8Vdc
Logic High (on) = 2.4 - 5.5Vdc
3
N.O. Terminated
Terminals not Polarity Sensitive
4
N.O. Terminated TTL
TTL Inputs
Optional Indicators
Optional Indicators
Logic Low (off) = 0 - 0.8Vdc
Logic High (on) = 2.4 - 5.5Vdc
ALL SCHEMATICS SHOWN IN POSITION 1 ENERGIZED.
ISO 9001 Certified
3-9
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